.flex_a {
    display: flex;
    align-items: center;
}

.flex {
    display: flex;
}

.flex_a_j {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex_j_c {
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.flex_a_j_c {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.flex_a_s {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.flex_a_c {
    display: flex;
    align-items: center;
    flex-direction: column;
}

.flex_a_b {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex_a_j_c {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.flex_a_sb {
    display: flex;
    align-items: center;
    justify-content: space-between;
}